No smartwatch? No problem - Check your heart rate with iPhone's camera
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Apple Watch Ultra Review: An Adventure-Ready Smartwatch
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![Turn The iPhone 4 Into A Heart Rate Monitor, For Free [New App] | Cult of Mac](https://www.cultofmac.com/wp-content/uploads/2010/11/heartrate-free.jpg "Turn The iPhone 4 Into A Heart Rate Monitor, For Free [New App] | Cult of Mac")
Turn The iPhone 4 Into A Heart Rate Monitor, For Free [New App] | Cult of Mac
Monitor your heart rate with Apple Watch - Apple Support
Monitor your heart rate with Apple Watch - Apple Support
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